<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <input type="text" v-model="school.name">
        123
        <div>{{school.name}}</div>
        <h3>{{school.name}}</h3>
        <ul>
            <li>123</li>
        </ul>
    </div>
    <!-- <script src="./singleton.js"></script> -->
    <script src="mvvm.js"></script>
    <script>
        let vm = new Vue({
            el: "#app",
            data: {
                school: {
                    name: "kk"
                }
            }
        })
    </script>
</body>

</html>